Geochemical Transformations of Sedimentary Sulfur

About this book

This volume is developed from a symposium sponsored by the Division of Geochemistry, Inc, at the 208th National Meeting of the American Chemical Society held in Washington, DC from August 21-26, 1994. It provides a comprehensive discussion of the geochemistry of sedimentary sulfur, including low-temperature transformations in early diagenesis, thermal reactions occurring during later diagenesis and catagenesis. It also examines in detail sulfur-organic matter interactions. The book also presents an interdisciplinary overview of recent research in the complex processes of sedimentary sulfure transformations. It should be of interest to: industrial, academic and government organic and inorganic geochemists; biogeochemists; environmental chemists; fuel chemists; petroleum chemists; and scientists and engineers interested in sulfure in environmental and geochemical systems.

Contents

Geochemical transofrmations of sedimentary sulfur - an introduction, Murthy A. Vairavamurthy et al. Part 1 Geochemistry of organic sulfur in sedimentary systems: role of sulfur in the transformations of sedimentary organic matter - a mechanistic overview, Zeev Aizenshtat et al; sulfur transformations in early diagenetic sediments from the Bay of Concepcion, off Chile, Murthy A. Vairavamurthy et al; organic geochemistry of sulfur-rich surface sediments of meromictic Lake Cadagno, Swiss Alps, Anke Putschew et al; influence of sulfur-cross-linking on the molecular size distribution of sulfur-rich macromolecules in bitumen, Stefan Schouten et al; alkanoic subunits in sulfur-rich geomacromolecules - information from stepwise chemical degradation and compound-specific isotopic analysis, J. Hefter et al; proposed thermal pathways for sulfur transformations in organic macromolecules - laboratory simulation experiments, Eitan B. Krein and Zeev Aizeshtat; transformations in organic sulfur speciation during maturation of Monterey shale - contraints from laboratory experiments, Bryan C. Nelson et al. Part 2 Geochemistry of iron sulfides in sedimentary systems: chemistry of iron sulfides in sedimentary environments, David Rickard et al; reactions forming pyrite from precipitated amorphous ferrous sulfide, Yoko Furukawa and H.L. Barnes; laboratory simulation of pyrite formation in anoxic sediments, Qiwei Wang and John W. Morse; environmental controls on iron sulfide mineral formation in a coastal plain estuary, Jeffrey C. Cornwell and Peter A. Sampou; disgestion procedures for determining reduced sulfur species in bacterial cultures and in ancient and recent sediments, R.E. Allen and R.J. Parkes. Part 3 Oxidative transformation of hydrogen sulfide: oxidation of hydrogen sulfide by Mn(IV) and FE(III) (hydr)oxides in seawater, Wensheng Yao and Frank H. Millero; characterization of a transient +2 sulfur oxidation state intermediate from the oxidation of aqueous sulfide, Murthy A. Vairavamurthy and Weiqing Zhou. Part 4 Studies of sulfur speciation in sedimentary systems. Part 5 Biogeochemical transformations. Part 6 Isotopic effects during sulfur transformations. Part 7 Thermochemical sulfate reduction. (Part contents)

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